Note- Reinst all the fan units in their original positions by referring to the notes you made
priorto the start of m aintenance.
Note- Check that the front cover is firmly attached and secured.
Note- If no cr ossbar unit is mounted, proceed to step 11.
Note- Reinst all the PCIe card cassettes in their original positions by referring to the notes
thatyou made prior to the start of maintenance.
15.5.2 Restoring the chassis
1. Connect the cables to the operation panel.
2. Reinstallthe PSU backplane unit in its original position and then tighten the
twos crews.
3. Reinstallthe fan shelf and then ti ghten the twoscrews in the fan slot.
4. Reinstallthe power supply unit in its original position.
For details, see "10.5.1 Installing a power supply unit."
5. Installall the fan units.
For details, see "11.5.1 Installing a fan unit."
6. Install the front cover.
For details, see "6.5.3 Installing the front cover."
7. Insertthe CPU memory unit into the chassis.
8. Raisethe right and left levers of the CPU memory unit and then tighten the
onescrew.
9. Install themounting frame for the crossbar unit and then tighten the three
screws.
10. Installall the crossbar units.
For details, see "9.5.1 Installing ac rossbar unit."
11. Installall thePCIe card cassettes.
For details, see "13.6.2 Installing a PCI Express card cassette."
12. Connectall the cables to the external interface.
Thecablestobeconnectedareasfollows.
■Interface cable connected to the PCIe card
■Crossbarcable
■XSCFBB control cable
■XSCFDUAL control cable
Chapter15 Maintainingthe Operation Panel 291